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1
19
20 package org.netbeans.paint;
21
22 import java.awt.BorderLayout  ;
23 import java.awt.Dimension ;
24 import java.awt.event.ActionEvent ;
25 import java.awt.event.ActionListener ;
26 import java.awt.image.BufferedImage ;
27 import java.io.File ;
28 import java.io.IOException ;
29 import javax.imageio.ImageIO ;
30 import javax.swing.JButton ;
31 import javax.swing.JComponent ;
32 import javax.swing.JFileChooser ;
33 import javax.swing.JLabel ;
34 import javax.swing.JOptionPane ;
35 import javax.swing.JSlider ;
36 import javax.swing.JToolBar ;
37 import javax.swing.event.ChangeEvent ;
38 import javax.swing.event.ChangeListener ;
39 import org.netbeans.swing.colorchooser.ColorChooser;
40 import org.openide.awt.StatusDisplayer;
41 import org.openide.util.NbBundle;
42 import org.openide.windows.TopComponent;
43
44 public class PaintTopComponent extends TopComponent implements ActionListener , ChangeListener {
45
46 private static int tcCount = 0; private static int ct = 0;
49 static int getPaintTCCount() {
50 return tcCount;
51 }
52
53 private final PaintCanvas canvas = new PaintCanvas(); private JComponent preview;
56
57 public PaintTopComponent() {
58 initComponents();
59 String displayName = NbBundle.getMessage(
60 PaintTopComponent.class,
61 "UnsavedImageNameFormat",
62 new Object [] { new Integer (ct++) }
63 );
64 tcCount++;
65 setName(displayName);
66 setDisplayName(displayName);
67 }
68
69 public void actionPerformed(ActionEvent e) {
70 if (e.getSource() instanceof JButton ) {
71 canvas.clear();
72 } else if (e.getSource() instanceof ColorChooser) {
73 ColorChooser cc = (ColorChooser) e.getSource();
74 canvas.setPaint(cc.getColor());
75 }
76 preview.paintImmediately(0, 0, preview.getWidth(), preview.getHeight());
77 }
78
79 public void stateChanged(ChangeEvent e) {
80 JSlider js = (JSlider ) e.getSource();
81 canvas.setDiam(js.getValue());
82 preview.paintImmediately(0, 0, preview.getWidth(), preview.getHeight());
83 }
84
85 public int getPersistenceType() {
86 return PERSISTENCE_NEVER;
87 }
88
89 private void initComponents() {
90 setLayout(new BorderLayout ());
91 JToolBar bar = new JToolBar ();
92
93 ColorChooser fg = new ColorChooser();
94 preview = canvas.createBrushSizeView();
95
96
98 Dimension min = new Dimension (32, 32);
100 preview.setMaximumSize(min);
101 fg.setPreferredSize(new Dimension (16, 16));
102 fg.setMinimumSize(min);
103 fg.setMaximumSize(min);
104
105 JButton clear = new JButton (
106 NbBundle.getMessage(PaintTopComponent.class, "LBL_Clear"));
107
108 JLabel fore = new JLabel (
109 NbBundle.getMessage(PaintTopComponent.class, "LBL_Foreground"));
110
111 fg.addActionListener(this);
112 clear.addActionListener(this);
113
114 JSlider js = new JSlider ();
115 js.setMinimum(1);
116 js.setMaximum(24);
117 js.setValue(canvas.getDiam());
118 js.addChangeListener(this);
119
120 fg.setColor(canvas.getColor());
121
122 bar.add(clear);
123 bar.add(fore);
124 bar.add(fg);
125 JLabel bsize = new JLabel (
126 NbBundle.getMessage(PaintTopComponent.class, "LBL_BrushSize"));
127
128 bar.add(bsize);
129 bar.add(js);
130 bar.add(preview);
131
132 JLabel spacer = new JLabel (" ");
136 spacer.setPreferredSize(new Dimension (400, 24));
137 bar.add(spacer);
138
139 add(bar, BorderLayout.NORTH);
141 add(canvas, BorderLayout.CENTER);
142 }
143
144 public void saveAs() throws IOException {
145 JFileChooser ch = new JFileChooser ();
146 if (ch.showSaveDialog(this) == JFileChooser.APPROVE_OPTION &&
147 ch.getSelectedFile() != null) {
148
149 File f = ch.getSelectedFile();
150 if (!f.getPath().endsWith(".png")) {
151 f = new File (f.getPath() + ".png");
152 }
153 if (!f.exists()) {
154 if (!f.createNewFile()) {
155 String failMsg = NbBundle.getMessage(
156 PaintTopComponent.class,
157 "MSG_SaveFailed", new Object [] { f.getPath() }
158 );
159 JOptionPane.showMessageDialog(this, failMsg);
160 return;
161 }
162 } else {
163 String overwriteMsg = NbBundle.getMessage(
164 PaintTopComponent.class,
165 "MSG_Overwrite", new Object [] { f.getPath() }
166 );
167 if (JOptionPane.showConfirmDialog(this, overwriteMsg)
168 != JOptionPane.OK_OPTION) {
169
170 return;
171 }
172 }
173 doSave(f);
174 }
175 }
176
177 private void doSave(File f) throws IOException {
178 BufferedImage img = canvas.getImage();
179 ImageIO.write(img, "png", f);
180 String statusMsg = NbBundle.getMessage(PaintTopComponent.class,
181 "MSG_Saved", new Object [] { f.getPath() });
182 StatusDisplayer.getDefault().setStatusText(statusMsg);
183 setDisplayName(f.getName());
184 }
185
186 protected void componentClosed() {
187 super.componentClosed();
188 tcCount--;
189 }
190
191 }
192 |
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